
You SCRATCH my back, I SCRATCH yours.
The Big Bang Theory Season 2, Episode 16

Okay. Scratch paper, check.
The Big Bang Theory Season 11, Episode 13

Returned from all of them
without a SCRATCH on me.
Game of Thrones Season 5, Episode 8

Without Poles, without pending cases,
to start from SCRATCH.
Money Heist Season 1, Episode 4

You SCRATCH my back, I SCRATCH yours.
The Big Bang Theory Season 2, Episode 16